Browsing Doctoral Degrees (Electrical and Electronic Engineering) by Title
Now showing items 1-20 of 130
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A computational architecture for real-time systems
(Stellenbosch : Stellenbosch University, 2000-12)ENGLISH ABSTRACT: The engineering of dependable real-time systems for mission critical applications is a resource intensive and error prone process. Achieving dependability requires a general consensus on the correctness ... -
A multi-mode attitude determination and control system for small satellites
(Stellenbosch : Stellenbosch University, 1995-12)ENGLISH ABSTRACT: New advanced control techniques for attitude determination and control of small (micro) satellites are presented. The attitude sensors and actuators on small satellites are limited in accuracy and ... -
Acceleration based manoeuvre flight control system for unmanned aerial vehicles
(Stellenbosch : Stellenbosch University, 2008-12)A strategy for the design of an effective, practically feasible, robust, computationally efficient autopilot for three dimensional manoeuvre flight control of Unmanned Aerial Vehicles is presented. The core feature of ... -
Acceleration based manoeuvre flight control system for unmanned aerial vehicles
(Stellenbosch : Stellenbosch University, 2008-12)ENGLISH ABSTRACT: A strategy for the design of an effective, practically feasible, robust, computationally efficient autopilot for three dimensional manoeuvre flight control of Unmanned Aerial Vehicles is presented. The ... -
Advances in spectral techniques for fruit quality evaluation: case of ULF-NMR and NIRS
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Industrial application of non-destructive analytical techniques still faces a challenge of lack of general and specialty models for quality evaluation. Current developments strive to alleviate this problem ... -
Analysis and evaluation of brush-DC equivalent controlled multiphase cage induction machine drive
(Stellenbosch : University of Stellenbosch, 2011-03)ENGLISH ABSTRACT: The multiphase induction machine drive has been under investigation for the last half century. Although it offers several attractive advantages over the conventional three-phase induction machine drive, ... -
Analysis and design of conical transmission line power combiners
(Stellenbosch : University of Stellenbosch, 2007-12)This dissertation presents a technique for the design of N-way conical line power combiners, which offers significant advantages over existing axially symmetric combining techniques. A full analytical study of conical ... -
The analysis and quantifiaction of uncertainty for least life-cost electrical low voltage distribution design
(Stellenbosch : Stellenbosch University, 2000-12)ENGLISH ABSTRACT: The purpose of this dissertation is to provide methods for designing and managing low voltage residential feeders. These methods can be applied to the problem of planning residential networks under ... -
Analysis and synthesis algorithms for the electric screen Jauman electromagnetic wave absorber
(Stellenbosch : Stellenbosch University, 1993-11)ENGLISH ABSTRACT: An extensive literature study revealed numerous Jauman absorber examples with reasonable absorption properties. Unfortunately, tractable and detailed design techniques were found to be scarce, and often ... -
Analysis and synthesis of a 2 MVA series-stacked power-quality conditioner
(Stellenbosch : Stellenbosch University, 1999-12)ENGLISH SUMMARY: This thesis describes the development of a power electronic converter for a 2 MVA series-injection power-quality device. The converter is designed to interface directly with superconducting magnetic ... -
Analysis and synthesis of an inductive storage millisecond pulse forming network
(Stellenbosch : Stellenbosch University, 2001-12)ENGLISH ABSTRACT: Millisecond pulse forming networks (PFNs) as applicable to electro-thermal chemical (ETC) loads fall into the <1 MJ energy bracket. The energy requirements of these loads require specialised power ... -
Analysis of a radial flux-air-cored permanent magnet machine with a double-sided rotor and non overlapping windings
(Stellenbosch : Stellenbosch University, 2012-03)ENGLISH ABSTRACT: In this dissertation a new type of electrical machine, a Radial Flux Air-Cored Permanent Magnet machine with a Double-sided Rotor and utilising concentrated, non-overlapping windings, is proposed. The ... -
Analysis of interior permanent magnet motors with non-overlapping windings
(Stellenbosch : University of Stellenbosch, 2009-03) -
Aspects of small airborne passive millimetre-wave imaging systems
(Stellenbosch : University of Stellenbosch, 2010-03)ENGLISH ABSTRACT: Passive millimetre-wave (PMMW) imaging is a technique that uses radiometers to detect thermal radiation emitted and reflected by metallic and non-metallic objects. While visual and infra-red emissions ... -
Automated aerial refuelling of a large receiver aircraft
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Performing aerial refueling of a large receiver is an extremely strenuous task for a pilot. Automating the aerial refueling for a large receiver is thus highly desirable. While significant research has ... -
Automated design of multi-mode fuzzy controllers
(Stellenbosch : Stellenbosch University, 2000-12)ENGLISH ABSTRACT: A standard fuzzy logic controller is not robust enough to guarantee consistent closed-loop performance for highly non-linear plants. A finely tuned closed-loop response loses relevance as the system ... -
Automatic flight envelope recovery for large transport aircraft
(Stellenbosch : Stellenbosch University, 2016-12)ENGLISH ABSTRACT: This thesis presents the design of an automatic flight envelope recovery system for large transport aircraft. The flight envelope of the aircraft is conceptualised to consist of the aerodynamic envelope, ... -
Baseband compensation principles for defects in quadrature signal conversion and processing
(Stellenbosch : Stellenbosch University, 2004-04)ENGLISH ABSTRACT: Keywords: software-defined radio, SDR, quadrature mixing, quadrature modulation, quadrature demodulation, digital compensation, software radio, direct-digital synthesis, DDS. An often-stated goal of ... -
A bi-directional, direct conversion converter for use in household renewable energy systems
(Stellenbosch : University of Stellenbosch, 2009-03)A bi-directional, direct conversion switch-mode converter is proposed for use in distributed household renewable energy systems. The converter is intended as the central interface between the household energy system’s low ... -
Borehole radar system analysis in stratified geological systems applied to imaging of platiniferous reefs in the bushveld igneous
(Stellenbosch : University of Stellenbosch, 2003-12)The imaging of platiniferous reefs in the Bushveld Igneous Complex (BIC) is of great economical and sociological importance. Borehole radar technology has been identified as a viable mapping tool to be used in day-to-day ...
